While these are great for your skin, they can leave your hair feeling dry and matted. To minimize these potential effects, we recommend that you avoid immersing your hair in the water for too long and that you rinse your hair with fresh water after exiting the lagoon.
The seawater in the Blue Lagoon has high levels of silica. Silica is not harmful to hair. However, if your hair gets wet, it can become stiff and difficult to manage. Therefore, we recommend that you apply conditioner to your hair before entering the lagoon--and leave it in your hair while in the lagoon.
Are swim suits required at the Blue Lagoon? Bathing suits are worn in and around all areas of the bathing lagoon, including the sauna. You can bring your own, or rent them from reception. You can also rent towels and bathrobes.
Do you shower after the Blue Lagoon? Yes, you should shower before and after your stay at the lagoon. Guests are required to shower, without their swimsuit, prior to using the geothermal spa. Simply use the showers and soaps available in the changing rooms.
Depending on your hair type and how sensitive you are, you might want to use a shower cap or keep your head and hair out of the water. The Silica in the water is not harmful to your hair, but it can get stiff and difficult to manage. There is conditioning in the showers to help, but it might take a few washes.
The fact of the matter is that Blue Lagoon's water does in many cases make your hair quite weird. The minerals in the water will coat each and every hair making it stiff and feel dry even though it isn't really.